Home / 121,795.48-167,924.82-93,150.28

Finding the Fourth Proportional to 121,795.48, 167,924.82 and 93,150.28

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Solution

The fourth proportional to 121,795.48, 167,924.82 and 93,150.28 is: 128,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,795.48 : 167,924.82 = 93,150.28 : x
  2. Step 2: Convert to fraction form
    121,795.48/167,924.82 = 93,150.28/x
  3. Step 3: Cross multiply
    121,795.48x = 167,924.82 × 93,150.28
  4. Step 4: Simplify right side
    121,795.48x = 15,642,244,001.95
  5. Step 5: Solve for x
    x = 15,642,244,001.95/121,795.48
  6. Step 6: Final answer
    x = 128,430.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.